chore: bump libsecp256k1 from 0.5.0 to 0.6.0 (#18774)

* chore: bump libsecp256k1 from 0.5.0 to 0.6.0

Bumps [libsecp256k1](https://github.com/paritytech/libsecp256k1) from 0.5.0 to 0.6.0.
- [Release notes](https://github.com/paritytech/libsecp256k1/releases)
- [Changelog](https://github.com/paritytech/libsecp256k1/blob/master/CHANGELOG.md)
- [Commits](https://github.com/paritytech/libsecp256k1/commits)

---
updated-dependencies:
- dependency-name: libsecp256k1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update all versions, lock files

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Tyera Eulberg <tyera@solana.com>

sdk/program/Cargo.toml

@@ -36,7 +36,7 @@ thiserror = "1.0"
 
 [target.'cfg(not(target_arch = "bpf"))'.dependencies]
 curve25519-dalek = "3.0.0"
-libsecp256k1 = "0.5.0"
+libsecp256k1 = "0.6.0"
 rand = "0.7.0"
 solana-logger = { path = "../../logger", version = "=1.8.0" }